It needs to be PCI or AGP and be able to support digital video out and vga or have two vga outputs.
STill have the p4 laptop for sale too that needs a hard drive and video card
I got this guy (http://review.zdnet.com/POWERCOLOR_ATI_RADEON_9800_Video_Card_256MB_DDR_128_Bit_DVI_TV_Out_8X_AGP_Model_R98E_PD3_Bulk_OEM/4505-8902_16-31218179.html) with a nice zalman copper heatsink (http://www.neoseeker.com/Articles/Hardware/Reviews/vf700alcu/) $80
Ahhh I forgot its got to be lowprofile or able to fit in a low profile machine
:-\